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It remains available only as a research compound
Rather than targeting one receptor or one pathway (like most drugs), GHK-Cu orchestrates a coordinated shift in gene expression across 31.2% of the genome
The low pH of exfoliating acids and other acidic ingredients can weaken the peptide-copper bond, potentially limiting effectiveness and increasing the risk of skin irritation and oxidation
Clinical studies demonstrate increased hair thickness, density, and reduced hair loss in both men and women
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